Sentheshanmuganathan, S., Goonewardene, T. and Ratnapala, B., 1975. Clinical Norm for Pseudocholinesterase with distribution of atypical enzymes in Ceylonese subjects with 2 families exhibiting abnormal enzyme. Journal of the National Science Foundation of Sri Lanka, 3(2), pp.117–127.

Sentheshanmuganathan S, Goonewardene T, Ratnapala B. Clinical Norm for Pseudocholinesterase with distribution of atypical enzymes in Ceylonese subjects with 2 families exhibiting abnormal enzyme. Journal of the National Science Foundation of Sri Lanka. 1975;3(2):117–27.

Sentheshanmuganathan, S., Goonewardene, T., & Ratnapala, B. (1975). Clinical Norm for Pseudocholinesterase with distribution of atypical enzymes in Ceylonese subjects with 2 families exhibiting abnormal enzyme. Journal of the National Science Foundation of Sri Lanka, 3(2), 117–127.

1. Sentheshanmuganathan S, Goonewardene T, Ratnapala B. Clinical Norm for Pseudocholinesterase with distribution of atypical enzymes in Ceylonese subjects with 2 families exhibiting abnormal enzyme. Journal of the National Science Foundation of Sri Lanka. 1975;3(2):117-127.

Sentheshanmuganathan S, Goonewardene T and Ratnapala B, ‘Clinical Norm for Pseudocholinesterase with Distribution of Atypical Enzymes in Ceylonese Subjects with 2 Families Exhibiting Abnormal Enzyme’ (1975) 3 Journal of the National Science Foundation of Sri Lanka 117

Sentheshanmuganathan, S, TW Goonewardene, and B Ratnapala. 1975. “Clinical Norm for Pseudocholinesterase with Distribution of Atypical Enzymes in Ceylonese Subjects with 2 Families Exhibiting Abnormal Enzyme”. Journal of the National Science Foundation of Sri Lanka 3 (2): 117–27.

Sentheshanmuganathan, S, TW Goonewardene, and B Ratnapala. “Clinical Norm for Pseudocholinesterase with Distribution of Atypical Enzymes in Ceylonese Subjects with 2 Families Exhibiting Abnormal Enzyme”. Journal of the National Science Foundation of Sri Lanka 3, no. 2 (1975): 117–27.

Sentheshanmuganathan, S, et al.. “Clinical Norm for Pseudocholinesterase with distribution of atypical enzymes in Ceylonese subjects with 2 families exhibiting abnormal enzyme”. Journal of the National Science Foundation of Sri Lanka, vol. 3, no. 2, 1975, pp. 117–27.